wo switch buttons: Button 1: Mode 1:4 * red R5 LED Mode 2: red flash Mode 3: 4 * blue R5 LED Mode 4: Double-click the switch, flashing red and blue Button 2: Mode 1: 4X36-high-index LED (25000 lumens) Mode 2: 4X36-high-definition LED (14000 lumens) Mode 3: 4X36-high-definition LED (5000 lumens) Note: In mode 1, all 36-LEDs are on, and the color temperature can reach 5000k at this time. This is the color temperature of natural light. Our outdoor color temperature in the daytime is 5000k, so the shooting effect is better. Press and hold to turn off the flashlight in any mode Specifications: Material: integrated aluminum alloy Brightness: 25000LM Waterproof rating: IPX8 Voltage: 3.7V Range: 300-500m Charging mode: C-type charging (mobile phone charger can be directly used for charging) Reachable water depth: 120m Beam angle: 120 degrees Size: 13.5 (L) x 5.6 (tail φ） X 6 (head φ） Cm/5.3 (L) x2.2 (tail φ Weight: 597g (weight without handle)